2 (Shaft Alignment)

1. (Shaft Alignment Basics)

1.1 (The Importance of Shaft Alignment)

(Alignment)

. Alignment , , , ,

.

Alignment Alignment

. Misalignment .

Misalignment .

40 Misalignment ,

. , ,

,

.

Misalignment 16

. 80

.

.

.

,

.

, , .

.

? , ,

, .

. , , ,

, , , , .

.

2 1247

.

.

.

.

.

.

, .

Misalignment

.

.

.

, , .

6 60 6

6 16

. 30 , ,

. ,

.

. FFT

, Spike Energy

.

.

Misalignment

1248 3

. Misalignment 1, 2

. Misalignment

.

99% Misalignment .

. Misalignment .

Universal Joint

Misalignment .

.

.

.

. ,

, , ,

.

.

( Misalignment ).

.

.

, .

20%

,

.

.

1.2 (The Objective of Shaft Alignment)

1 2

, .

2 1249

( ),

,

.

, .

,

.

.

Thermal Growth Misalignment

.

, Rim(Offset) Face(Angle)

.

.

. ,

, ,

.

, .

.

.

.

.

(217% ).

, , .

1.3 ,

(Rotor Dynamics, Causes and Symptoms of Misalignment)

2-1 Misalignment .

Misalignment

.

1250 3

(Flexible Coupling)

Misalignment .

Misalignment .

.

2-1 Misalignment

2-1

.

Force Vector

Force Vector

. Misalign

.

Heavy Spot'

.

Misalignment .

2-2

. , ,

, .

Misalignment .

2 1251

2-2 Misalignment

Weight Unbalance

.

Misalignment

.

Level Level

Oil Whip .

Rubbing .

Level Babbitt

.

.

Bearing Metal Pedestal

Oil Whip

Angular(Face) Misalignment

Misalignment . Misalignment Bent Shaft

. Misalignment

, Shaft Crack Fatigue , .

Misalignment .

1252 3

( )

. , ,

.

2

Misalignment .

, ,

,

.

.

Runout .

.

.

.

.

1.4 (Types and Guide of Shaft Alignment)

Face and Rim Reverse Indicator

. Face and Rim Face(, Angular) (

2-3) Rim( , Parallel, Offset) ( 2-4)

(Angle) (Offset) . Reverse Indicator

Indicator 1 ,

2 Rim .

Face Rim Rim Dial Indicator Face Dial

Indicator ( ) Block

Feeler Gauge . 2-3 ,

, Face

(Angle) .

2 1253

2-3 Face Alignment

2-4 Rim Alignment

Rim 2-4 ,

(Total Indicator Readings) 1/2.

Face , ,

Rim Face ,

, . Rim Face

.

, Rim

, . Alignment

. Reverse Dial Indicator Alignment

,

. 1980

, .

.

2-5

.

1254 3

(Colinear)

. ,

. ,

, Runout

.

2-5

. Runout

( ) . Runout

.

2-5

2-6

. ?

,

Alignment .

.

,

.

(Catenary Curve) .

.

Catenoid .

2 1255

2-6

, , ,

.

() , .

, ( MG Set)

.

. .

.

1.5 (Datum of Shaft Alignment)

Smooth

Alignment (Face Rim 0) .

.

(1) Alignment

Alignment

.

1256 3

2-7 Alignment

(2) Alignment

Alignment ,

2-8 .

2-8 Alignment

2 1257

(3) Alignment

Alignment

2-9 .

2-9 Alignment

.

.

.

,

1258 3

Alignment . Alignment

Alignment .

Alignment

.

.

1.6 (Checks Prior to Alignment)

,

. , Alignment

Alignment

.

.

. Alignment , Alignment

,

. .

Misalignment

.

.

()

Offset . , Spring Hinge Support, Pipe Stop

Expansion Loop Nozzle Stress

.

Shim . Shim

. Shim 0.125

2 1259

in(3 ) . 5 Alignment

0.070 in Shim 0.040 in

.

Shim , Shim

Alignment .

0.050 in(1.25 ) Shim 10%

.

Shim Pack 3 Shim

. Shim Spring ,

, Soft Foot(1.7 ) .

Shim Area , ,

Honing . Shim Pack

, , , Alignment

.

, Mounting Bolt

. Mounting Bolt Bolt

Hole .

Mounting Foot Jacking Bolt ( 2-10). Jacking Bolt

Shim

.

Alignment , Spool

Piece

. Flexible

Thermal Growth (Offset)

Flexible Diaphragm .

1.7 Soft Foot

1.7.1 Soft Foot (The Importance of Correcting Soft Foot)

Soft Foot . Soft Foot

. Soft Foot Foot Bolt

Frame .

1260 3

2-10 Mounting Foot Jacking Bolt

2-11 Misalignment

2-11 Foot Bolt

16 mils(0.4 ) . Frame .

2 1261

.

1.7.2 (Internal Misalignment)

2-11 , Alignment

Alignment .

Misalignment

. Soft Foot

. Misalignment

Soft Foot Misalignment

.

Frame Soft Foot ( 2-12),

. ( )

.

Preload . Preload

, .

2-12 Misalignment

180 Bending

. Bending ,

( 2-13). 1,800 rpm , 30

. 24 2,592,000

. .

1262 3

2-13 Misalignment

1.7.3 (Distorted Bearings)

2-14 Soft Foot Base Bolt .

End Housing . 2-15

.

Stress Line , Soft Foot Frame

. (

2-15). , 180

. Preloading

.

Soft Foot .

2-14 Soft Foot

2 1263

2-15 Soft Foot

1.7.4 Soft Foot (How to Distinguish Types of Soft Foot)

Soft Foot .

. Soft Foot

. Soft Foot ,

. Soft Foot

. Soft Foot .

Soft Foot

. Soft Foot

.

, Soft Foot

.

[0.1 mils(0.003 ) ].

.

Foot Base .

Feeler Gage Soft Foot

. Single Foot Feeler Gage

. 4

.

2 mils(0.05 )

. Soft Foot Foot

1 mils(0.03 ) .

Soft Foot , , .

(1) Mounting Feet (Mounting Feet Out-of-Plane)

: Soft Foot Mental Picture.

1264 3

3 Foot , Foot (

2-16). Feeler Gauge Foot .

, Soft Foot .

Foot Soft , . 4 Foot

Foot .

, 2 Foot . Foot

.

: . ; Mounting Pad 3

. ; Foot Shim .

2-16 Mounting Foot Soft Foot

: Feeler Gage Shim . 2 Soft Feet

Shim . 4

Foot Alignment Foot .

Feeler Gage Foot

Foot Shim .

Soft Foot Alignment Feeler Gage

, Foot Shim .

Soft Foot 4 Foot Shim

. Shim Foot , , Alignment

.

(2) Foot (Bent Foot)

: Foot Base ( 2-17). Feeler

Gage Foot

. , Foot Base

2 1265

Lever . Foot Foot

Foot Soft Foot . 34

Soft Foot , Soft Foot Foot

.

: ; Base Plate ;

Misalignment ; Foot ; .

2-17 Foot (Bent Foot)

2-18 Step Shimming

: Foot, Base . , Step Shim (

2-18). .

. :

Foot Foot

.

.

Step Thickness 45 6 (Step ) .

1266 3

45 6 Shim 1 .

. Foot Step

Shim .

Bent Foot .

Alignment Foot Shim Step

. Foot

Steps Shim .

Alignment Step Shim .

(3) Soft Foot [Inconsistent(Spongy) Soft Foot]

: Alignment Soft Foot

Feeler Gage ( 2-19).

2-19 Soft Foot

: Foot Base , , , ,

; Shim ; Thread Bite Shim ;

Shim. Shim Oil Film

. , Foot

Shim . Shim 1 3 mils(0.08

) ( , Shim

, Shim ). Foot 4 Shim

.

: , Shim, .

Base, Foot Shim .

2 1267

Foot Foot

(Wire Brush ) . Foot

. .

Shim Foot .

.

(4) Soft Foot (Induced Soft Foot)

: Alignment

Foot Soft Foot , Feeler Gage

Feet ( 2-20). Foot

, , Foot Shim

.

2-20 Soft Foot

1268 3

: .

. Misalignment ,

Alignment Soft Foot .

, , ,

, , , Jacking

Bolt.

: . Alignment

. Alignment

, Base Bolt . Soft Foot

Foot( Foot) Alignment .

. Alignment 1.5

mils(0.04 ) .

Soft Foot , Soft Foot

.

(5) Soft Foot (Gaps Without Soft Foot)

: Alignment Soft Foot

Foot .

Foot .

Alignment Soft Foot ,

Feeler Gage .

: Base . Foot ( Foot).

Base , , .

: Shim

. . Base

.

Alignment ( )

. (, Alignment

) Loose , .

Foot Base Bolt ,

, , , .

Alignment Soft Foot , .

2 1269

Soft Foot

. Shim

.

1.8 (Measuring Tools)

.

.

. Rope

Stretcher' ,

Micron .

. 1980

Hold Down Bolt

.

(1) (Standard Tape Measures and Rulers)

.

.

1 Straight Edge

.

(2) (Feeler and Taper Gages)

.

Soft Foot , ,

1 mil

. Wedge Wedge

. 10 mils

.

(3) (Vernier Caliper)

1 mil 400

. 1 .

20 . Jaw

1270 3

. "0" 1

.

(4) (Micrometers)

. ,

,

.

(5) (Dial Indicators)

AGD 1 2 (American Gauge Design 1" 1, 2" 2

)

. AGD 1 5

. 50 AGD 2

.

(6) (Optical Alignment Tooling)

Bubble Level

.

, ,

, Off-Line ,

.

(7) (Poximity Probes)

.

.

.

( 14 ).

(8) (Linear Variable Differential Transformers)

AC

. 0.5

1 .

.

(9) (Optical Encoders)

.

2 1271

. .

( LED)

.

.

.

(10) (Lasers and Detectors)

.

,

.

, ,

.

1984 Pruftechnik

.

.

3501100

, .

10 10 , 20 20

.

. Bi-cell'( )

'Guadrant Cell'() .

, Cell .

() Cell

.

2.

(Casing Alignment Using Piano Wire)

1272 3

Casing Alignment . Casing Alignment

.

Bearing Pedestal

Bearing Pedestal

Diaphragm

Casing Alignment

. ,

, Casing Key, Shim Plate,

.

2 ,

.

.

.

Casing Alignment (Piano Wire Tight Wire)

(Dummy Shaft) Laser

.

Laser Shaft Alignment System .

Diaphragm , .

.

,

.

. Piano Wire Setting Point .

.

2.1 (Measuring Instruments and Tools)

Inside Micrometer Receiver

2 1273

Inside Micrometer

- ( 3/8" Stellite )

- ( )

B, 0.4 (0.16")

13.608 (30 lb 2 oz : Hook )

Jig ( )

2-21 Piano Wire Alignment

2.2 (Amount of Piano Wire Sag)

2-22

. Sagging

.

/

(/) .

S =WL(D-L)

2P= 3.622810-5L(D-L)

S : (m)

W : (/m)

7.85, 0.986 /m

1274 3

P : ()

D : (m)

L : (m)

2-1

Sag Chart .

2-22

2-1 Sag Chart (: 1/1000 )

(m)

(m)

0 0.1 0.2 0.3 0.4 0.5 0.6 07 0.8 0.9

10 0 000 036 071 105 139 172 204 236 267 297

10 1 326 355 383 410 436 462 487 511 535 558

10 2 580 601 622 642 660 679 697 714 730 746

10 3 761 775 788 801 813 824 835 844 854 862

10 4 869 876 883 888 893 897 900 902 904 905

11 0 000 039 078 116 154 190 226 261 296 329

11 1 362 395 426 457 487 516 545 573 600 626

11 2 652 677 701 725 748 770 791 812 832 851

11 3 869 887 904 920 936 951 965 979 991 1003

11 4 1014 1025 1035 1044 1052 1060 1067 1073 1078 1083

11 5 1088 1090 1093 1095 1096 1096 - - - -

2 1275

2.2.3 (Measuring)

.

, .

1/2 .

.

2-21 Inside Mecrometer

, , 3 .

2.4 Casing Alignment (Instance for Casing Alignment)

2-23 A, B Alignment

. A (Rear) . A

B / X, Y, G, H

Sag Chart .

C, D, E, F . X, Y, G, H Sag Chart

, A, B /

C+X = 69.85 + 0.267 = 70.117

D+Y = 61.60 + 0.854 = 62.454

E+G = 55.25 + 0.900 = 56.15

F+H=52.70 +0.535 =53.235

2-23 Casing Alignment

1276 3

A ( D+Y=62.454 ), A

(D+Y)-(C+X)=62.454 -70.117 =-7.663 (). B (D

+Y)-(E+G)=62.454 -56.15 =6.304 (). B (D+Y)-(F

+H)=62.454 -53.235 =9.219 (). /

.

2.5 Diaphragm (Instance for Diaphragm Alignment)

Diaphragm .

Diaphragm

Diaphragm .

Diaphragm 2-24 / 2 Support Bar 1

Centering Pin Diaphragm .

2-24 Diaphragm

Key . /

, Support Bar Shim , / Centering Pin

(Shim Shim Pin ) .

Diaphragm 0.15 , Support Bar

0.15 Shim , 0.3 Centering Pin 0.3

Shim 0.3 Shim .

/ /

/ Centering Pin

Centering Pin , Support Bar /

2 1277

. Centering Pin Diaphragm .

Diaphragm 0.2 Support Bar Shim 0.2

Support Bar 0.2 .

. Diaphragm 2-25 T

.

2-25 Diaphragm T

2-26 Pivot Point A B C

AB=BC . D AB=BC=AD

.

. Pivot Point 2-27 A D

B , C D A

2-26 A Diaphragm

1278 3

2-27 D Diaphragm

Centering Pin Clearance , ,

Diaphragm Diaphragm

Diaphragm 1 inch 0.001".

Diaphragm 30 inch 0.030" .

Centering Pin / .

3. (Shaft Alignment Measurement Techniques)

Soft Foot , Feet , Shim Pack

( ) ,

.

Straightedge

. .

1.8

. (

)

. Dial Indicator

,

.

3.1 (Rough Shaft Alignment)

.

2 1279

. Rim

2-28 Straightedge .

Straightedge

. Pitch Angularity

.

( Flexible Coupling )

. 2-28

Angurarity .

2-28 Straightedge Feeler Gauge

1280 3

3.2 (Face and Rim Technique )

Flexible Coupling

. 2-29 Flexible Coupling

(Face Rim)

. Face

Face , .

Face 1

Face .

Face 2-31 180 2

Face Face

.

2-30

.

.

2-29 Coupling Face Rim

2 1281

2-30 Face

(1)

. Rim Face

(Face)

.

8" Face .

Face Rim Braket

.

(2)

Face 8"

.

Face .

Braket .

(3)

Bracket Face (Rim)

.

Rim 12 Face

12, 6 3, 9

0 Setting (

10 5 ).

1282 3

90 (3, 6, 9 )

( Jacking Oil

Pump ).

12 0

.

24 .

(4) Face ( 2-31 )

Face Dial Indicator 1

( ) 2 Dial Indicator

Dial Gauge .

a1b3, a2b4, a3b1, a4b2 .

=(a1+b3)/2, (a2+b4)/2, (a3+b1)/2, (a4+b2)/2

Runout(Face ).

Face (Axial runout)=(a1+b3)/2 - (a3+b1)/2

Face (Axial runout)=(a2+b4)/2 - (a4+b2)/2

Open / a1a3,

b1b3 / a2a4, b2b4 .

Face , , ,

0 0

/ (Validity Rule) .

,

(1 mil, 0.025 ) .

2-31 Face 2 Dial Indicator

2 1283

3.3 (Face and Rim Technique )

Rigid Coupling Flexbile Coupling

.

Face

Block Gauge, Feeler Gauge, .

Coulping Block Gauge Feeler Gauge

.

2-32 Rim Dial Gauge Face

(1)

Stopper .

( ).

1284 3

Dial Indicator 0 , , ,

Face .

90 Dial Indicator ,

, , Face (44=16 ).

1 Dial Indicator

0 .

4 Face 0

.

3.4 (Reverse Indicator Technique)

Indicator Reverse Technique Double Dial Technique .

Dial Indicator Rim ,

Flexible Coupling (65

750 ) .

(1)

Braket Face

- .

,

, .

Flexible Coupling .

(2)

.

(3)

2-33 . 8

, 2 Dial Indicator

4 .

8 ,

Runout

Run Out . 2

. ,

2 1285

.

2-33 ,

.

. 1 mil(0.03

) .

.

2-33

Bracket Indicator .

12 6 Indicator 0 .

90 3, 6, 9 .

12 Indicator 0 .

1286 3

24 .

Bracket Bracket 15

.

3.5 (Double Radial Indicator Technique)

2-34

.

3" .

.

.

2-34

(1)

.

.

8" .

.

(2)

.

,

,

2 1287

.

.

(3)

.

12 0 .

90 3, 6 9

.

12 0 .

.

.

3.6 - (Shaft to Coupling Spool Technique)

. 75 100 2-35

- . ,

, ,

, .

10 .

1:15 . 300

20 .

2-35 Shaft-coupling Spool

1288 3

(1)

.

.

(2)

( )

.

(3)

.

12 0 .

90 3, 6 9

.

12 0 .

.

.

3.7 - (Face-Face Technique)

2-36 - .

Flexing Point Face .

.

. .

2-36 Face-face Spool

2 1289

(1)

.

(2)

- .

(3)

Face .

12 0 .

90 3, 6 9

.

12 0 .

- .

.

3.8

(The Causes of Inaccurate Measurement Values)

.

. / /

.

10%

.

.

3.8.1 Face (The Causes of Inaccurate Face Values)

(1)

. Hydrodynamic-type(Kingsbury)

90 .

Hydraulic Jack .

1290 3

Stopper .

Face Error

Face

90 Block Gauge Face

Face .

(2) Indicator Stem

Indicator

Stem Binding Indicator

Bracket . Stick Indicator

.

(3) 90

(9, 3 ) (12, 6 )

.

. 12, 3, 6 9 .

3, 6, 9, 12

. 90

.

12(0)

4 3, 6, 9 .

(4) Bracket

Bracket Dial Indicator .

(5) Indicator

Indicator "0"

. 360

0.30 , Indicator 1.30

Indicator

.

3.8.2 Rim (The Causes Inaccurate Rim Values)

(1) Bracket

Bracket 12 6 Bracket Bar

Bracket

2 1291

Bracket () . Bracket

2-37 Roller Stand 46 inch

Indicator Bracket 12 Dial Indicator 0

. Indicator .

Indicator Set 90 .

. (-)

.

.

Bracket .

2-37 Bracket

(2)

Angular Misalignment 2-38

. .

Thermal Growth Angular

.

Thermal Growth

. Dial Indicator

. 10% .

10% .

1292 3

(3)

Indicator Stem Stick, 90 , Bracket

Rim Face

.

2-38

3.8.3 (Recording Rule of Measurement)

Alignment , .

Dial Indicator (

).

Alignment (, ,

, Water ) .

Face

( ,

).

4. ,

(Plot, Catculation and Exercise for Shaft Alignment)

4.1 (Formula for Shaft Alignment)

4.1.1 (Summary)

Rigid Coupling ,

. Spool Piece

2 1293

Flexible Coupling .

Face Rim

, (Hot )

Face Rim 0 Smooth Alignment

(Cold ) .

(Cold ) (Catenary Diagram)

. ()

.

Alignment Coupling

Face Rim . 2-39 LP Rotor

HP Rotor . Bearing

Alignment . HP Rotor , #1

#2 #1, 2 .

2-39

4.1.2 #1 (Movement of #1 Bearing)

2-40 HP Rotor #1 h

Face(f) Rim(r) . MONTOPQTPSQR. a : h = d : f = b : r .

h=ad

f f=da

h r =ba

h

ad,

da,

ba .

1294 3

2-40 #1

4.1.3 #2 (Movement of #1 Bearing)

#2 h

Face(f) Rim(r') . 2-41 MONTOPQTPSQR. a : h = d : f = (a+b) : r' .

h=ad

f f=da

h r'=(a+b)

ah

ad,

da,

(a+b)a

.

2-41

2 1295

.

#1 h Face(f) .

Face(f) (h) .

Rim(r r') (h) .

Face Face

(h) .

(h)

(Rim r r') .

4.1.4 Alignment Table (Application of Alignment Table)

.

, Table

. 2-2 1, 2

. f Face h , r

Coupling Rim r'

Coupling Rim . r r'

TIR(Total Indicator Readings) TIR 1/2

.

1296 3

2-2a (Shaft Alignment Table)

2 1297

2-2b (Shaft Alignment Table)

1298 3

2-2c (Shaft Alignment Table)

2 1299

2-2d (Shaft Alignment Table)

1300 3

4.2 Shim Plate (Adjustment of Bearing Shim Plate)

, , , .

2-42 , Ring

Ring Shim Pad

. Shim Pad Shim Plate

.

2-42

, , , Shim Pad ()

(, ) 2-2 Shim Pad

.

, , , Shim Plate

. 2-43 Shim Plate .

V =

Vc = Shim Plate

H =

Hs = Shim Plate

1,2 = Shim Plate

Shim Plate 2-3

Shim Plate Shim Plate

2 1301

2-3 Bearing Shim

Table.

2-43

1302 3

2-3 Bearing Shim Table

2 1303

4.3 (How to Draw Shaft Arrangement Plot)

Dial Gauge 2-44 (

Face

Face Dial Gauge

Block Gauge

), 90

. Alignment (, ) (, )

.

2-44 Alignment Dial Indicator ( : 1/100 )

4.3.1 (, ) (Side View Plot)

Dial Gauge (Zero) . Rim

Face (Zero).

180 Dial Gauge Rim -0.20 ,

Face +0.15 .

(Zero Setting) Rim -0.20

0.1 .

Dial Gauge (TIR ) Rim Dial Gauge -0.20

-0.10 Offset .

(-)

1304 3

. (+)

. 2-45 .

Face (Zero)

180 Gauge +0.15 .

2-44 (+)

0.15 .

(-) .

2-46 .

2-45 Rim (, )

2-46 Face (, )

2-47

/ .

0.1 0.15 .

2-47 Rim Face (, )

2 1305

4.3.2 (, ) (Top View Plot)

(Zero)

.

90 270 Rim Face

TIR -0.05 , -0.15 +0.05 , +0.10

Rim 90 0.0 , 270 -10 , Face 9

0 0.0 , 270 +0.05 .

Rim TIR -0.10

TIR -0.05 . Rim 2-48

.

2-48 Rim (, )

Face TIR +0.05

0.05 .

2-49 .

2-49 Face (, )

. 0.05

0.05 .

2-50 .

1306 3

2-50 Rim Face (, )

4.4 (Exercise on the Map of Shaft Alignment)

4.4.1

(Design Value and Readings of Shaft Alignment)

1, 2 Alignment 2-51

.

2-51 Dial

Gauge , Alignment 2-52 .

Rotor Position LP2 Rotor .

1/100 1/100

.

2-51 1

4.4.2 (Plotting Top and Side View of Shaft Alignment)

, , , /

(Zero) / (Zero) .

(1) Face

Face

(0) (+)

, (-) .

2 1307

2-52

(2) Rim

Rim

(0) (+)

() .

Rim TIR TIR 1/2.

2-52 Face Rim 4.3

2-53.

2-53

1308 3

4.4.3 (/) (Vertical Movement of Bearing)

LP2 Rotor

LP1 Rotor

LP1 Rotor HIP Rotor . LP2 Rotor

Generator Rotor .

Shaft Alignment Table 2-2( ) , 2-4

,

. ()

(*) Rim (Rim

(*) * )

(,) Face .

Alignment Program ,

. Program ()

(Shim) .

2-4 (, )

: 0.01

Brg

No.

Bearing (, ) HIP/LP1 LP1/LP2 LP2/Gen

1 2 3 4 7F 8F Face Rim Face Rim Face Rim

20 *15 13 22* 10 18*

F 62.7 11.5 *71 13 *14

8.5 *86 0 8*

R 8 8 - 8* - *8

8.5 *78 0 0

F 47.5 8.5 59.5*

0 *18.5

R 28.5 28.5 - 28.5*

0 10* 0 0 10 18

*

F 48.6 10 *74

0 *56

R 46 46 0 46*

28.5 76 54.7 8 2.6 46 0 10* 0 0 0 *10

2 1309

4.4.4 (/) (Horizontal Movement of Bearing)

2-5 /

. Alignment

. .

/ Alignment Rim Face

(Zero) . (, )

(*) Rim (Rim

(*) *

) () Face .

2-5 (, )

: 0.01

Brg

No.

Bearing (, ) HIP/LP1 LP1/LP2 LP2/Gen

1 2 3 4 7F 8F Face Rim Face Rim Face Rim

9>*7 10< 6

* 5> 8*

F 48.3 8.9< *55.2 10> *10.8

0.1> *62.2 0 *4.8

R 4.8 4.8 - *4.8 - 4.8*

0.1> *67 0 0

F 0.6 0.1< 0.7*

0 *66.3

R 66.3 66.3 - 66.3*

0 0 0 0 5> 8*

F 24.3 5< *12.7

0 *4.7

R 4.7 4.7 0 4.7*

66.3 66.9 53.1 4.8 4.7 29 0 0 0 0 0 0

1310 3

4.4.5 Shim Plate (Bearing Shim Plate Adjustment)

4.4.3 4.4.4

. Shim Plate .

4.2 /, /

Shim Plate 2-6 2-7 .

(1) (, ) Shim Plate

2-6 (/) Shim Plate

Shim

# 1 # 2 # 3 # 4 # 7F # 8F

28.5

76.0

54.7

8.0

2.6

46.0

0() -28.5 No No No -2.6 +46

30 -24.8 -24.8 -65.8 -65.8 -47.6 -47.6 +7.0 +7.0 No No

75 -7.4 -7.4 -19.7 -19.7 No No No No

90() No No 0 0 0 0 0 0 0 0

+, - Shim Plate , .

1/100 .

Shim Plate

.

Shim Plate= Shim Plate

(Vc=Vcos)

2 1311

(2) (, ) Shim Plate

2-7 (/) Shim Plate

BRG

NO.

Shim

# 1 # 2 # 3 # 4 # 7F # 8F

Bearing

66.3

66.9

53.1

4.8

4.7

29.0

0() 0 No No No 0 0

30 +33.1 -33.1 +33.5 -33.5 +26.6 -26.6 +2.4 -2.4 No No

75 +64.3 -64.3 +64.9 -64.9 No No No No

90() No No +53.1 -53.1 +4.8 -4.8 4.7 29.0

+, - Shim Plate , .

1/100 .

Shim Plate

.

Shim Plate= Shim Plate

(Hs=Hsin)

(3) Shim Plate

/ / Shim Plate

, , ,

/ Bearing Alignment . 2-8

(1), (2) Shim Plate .

2-8 Shim

: 0.01

BRG

NO.

Shim

# 1 # 2 # 3 # 4 # 7F # 8F

0() -28.5 No No No -2.6 +46.0

30 +8.3 -57.9 -32.3 -99.3 -21.0 -74.2 +9.4 +4.6 No No

75 +56.9 -71.7 +45.2 -84.6 No No No No

90() No No +53.1 -53.1 +4.8 -4.8 4.7 29.0

1312 3

4.5 (Generator Shaft Alignment)

Alignment

. ()

Casing Alignment .

Rubbing

.

Seal Ring Seal Ring

.

. Air Gap Seal Ring

Alignment Alignment

/ Foot Shim Plate( Packer)

/ / .

/ /

.

4.5.1

(The Case of Both Bearings are Installed inside Generator)

/ Foot Shim Plate( 2-54 /

3 ) .

Foot Shim Plate . Shim Plate /

( 2-54 2 5) Shim Plate

Alignment Table . 2-2d

#7 #8 Foot Shim Plate

. Alignment Table #2 Shim Plate h2

#5 Shim Plate h5 Shim Plate h1, h3, h4,

h6 .

2 1313

2-54

4.5.2 Front Bearing

(The Case of Front Bearing is Installed outside Generator)

Shim Plate 4.5.1

Front Bearing hB ( 2-55 ).

1314 3

2-55 Front Bearing

4.5.3

(The Case of Both Bearings are Installed outside Generator)

. Air Gap

Shaft Stator 4.5.1 4.5.2

.

/ / Shim Plate

/ Axial Key(Center Key)

.

4.5.2

2 1315

. / , , , Dial Gauge Setting

Oil Jack . Dial Gauge

Oil Jack Oil Jack Dial Gauge

.

. Hammering Dial

Gauge Stress Relieving .

Alignment Center Key Way Key

. Key Key

Alignment .

5.

(Various Plotting Techniques to Determine Machinery Movement)

5.1 Ponit to Point (Procedure for

Plotting the Point to Point Reverse Indicator Technique)

(1) 1

2-56 ,

Shim Plate(Foot) ,

Bracket

( )

( 2-56 "Side View") .

(2) 2

. .

.

2-57 (-) (+)

. -56 mils Offset 56/2=28 mils

, (-)

() .

.

1316 3

2-56

2-57

2 1317

(3) 3

2

. (Top

View) (Side View) .

2-58 Point to Point Reverse Indicator

.

. , ,

.

.

2-58 Reverse Indicator Point to Point

(Side Top Views)

1318 3

5.2 Line to Point (Procedure for

Plotting the Line to Point Reverse Indicator Technique)

(1) 1

2-59 2-60 ,

. 2-59 2-60

.

(2) 2

1/2

. 2-59

(-) 2-60

(+) (Point to

Point ).

2-59 Reverse Indicator Line to Point

( )

(3) 3

1/2

. (-)

2 1319

(+) (Point to Point ).

(4) 4

2 3 .

.

.

2-60 Reverse Indicator Line to Point

( )

5.3 Face Rim

(Proceduure for Plotting the Face and Rim Technique)

Face-Rim Rim(Offset)

Face(Angle) T

(T Bar Overlay) . T

, T (-)

Face T (1) . T

.

(1) Bracket .

1320 3

(2) T

. Rim (-) T

Rim

. Rim (+)

.

(3) Face T .

T

.

2-61 Face-Rim 1 (Side View)

2 1321

2-62 Face-Rim 2 (Side View)

1322 3

5.4 (Procedure for Platting

the Double Radial Indicator Technique)

2 Rim

.

(1) 2-63 Alignment Bracket

, Rim Fan

Fan .

(2) 'NEAR'

(-20 mils) (10 mils) (Point to Point

).

(3) 'FAR'

(+12 mils) (6 mils) .

(4) Fan .

2-63 Double Radial Indicator (Side View).

5.5

(Procedure for Plotting the Shaft to Coupling Spool Technique)

( Jack Shaft)

2 1323

(Face) . (Flex Point)

Face Alignment .

.

(1) 2-64 .

(2) Alignment Bracket Rim .

Rim

. Rim (-)

(+) . 2-64 +40 mils

20 mils .

. .

(3) Alignment Bracket Gear Box Rim

. (2) . 2-64

Rim -30 mils 15 mils

. .

Gear Box .

2-64 (Side View)

1324 3

6.

(Alignment of Specific Rotor System)

6.1

(Classification of Specific Rotor System)

1 2

1 3 .

(1) Single Bearing

Single Bearing 2-65

.

.

Two Bearing

.

7.2(1) Rabbitt

(Spigot Fit) Rabbitt

.

Spigot Rim

(0) Face . Face

.

2-65 Single Bearing

(2) Single Bearing (1 3 )

2-66 LP Single Bearing Rotor

No1 Lifting

HP LP , HP LP

1 3 .

Single Bearing

2 1325

Face No1, 2, 3

No1 Face .

2-66 Single Bearing

(1 3 )

6.2

(Alignment Measurement and Calculation of Specific Rotor System)

6.2.1 Single Bearing

Spigot Fit

Rim 0 Face .

Face 4.1

One Rotor Two Bearing

.

(1)

Single Bearing One Rotor Two Bearing

.

2-67

.

.

Face

Face .

Face 4.1.3(

) b( )

0 a( ) (

) .

Single Bearing Face

.

1326 3

2-67 Single Bearing Rotor Sytem

(2) Single Bearing Shaft

.

()

2-68 Single Bearing (

Face 0) No2 .

Face 0 No1 . S1

.

L1 : d = S1 : a

S1 = (L1a)d

. No1,

2

S1 : S2 = (L1+L3) : (L3-L2)

S2 = S1(L3-L2)(L1+L3)

. S1

.

S2 =L1a(L3-L2)

(L1+L3)d

2-68 Single Bearing

2 1327

() Face

2-69 #3 S d1, d3

Face . 4.1.3

.

abc fgm lnm rst opq ojk . c

. lnm opq nl, pq .

Face

.

#3 s Face a1

L3 : c = (L3-L2) : S

c =L3sL3-L2

.

a1 : d1 = c : L1

a1 =d1cL1

a1 =d1L3s

L1(L3-L2) .

#3 s Face a3

(L3-L2) : s = d3 : a3

a3 =d3sL3-L2

.

2-69 Single Bearing Face

1328 3

6.2.2 Single Bearing (1 3 )

2-70 No1

Rim Face Face

, .

No1 No3 2

, Level

.

Sling Check .

No3 .

2-70 Single Bearing (1 3 )

7. (Rigid Coupling Alignment)

Rigid Coupling Alignment .

7.1 (The Importance of Coupling Alignment)

Crank

Bending Moment

. Weight Balancing

.

Runout Check , 0.02

.

(

Coupling Bolt ).

Coupling Bolt

2 1329

Coupling Slip .

Misalignment Coupling Stud Bolt , Coupling Face

.

7.2 (Types of Rigid Coupling)

(1) Rabbet (Spigot Fit)

Rabbet

Coupling Slip .

, Rabbet

. Rabbet ,

. Spigot

Faucet 0.01

.

2-71 Rabbet(Spigot Fit)

(2) Flat Spacer Plate

Spacer Plate

.

Spacer Plate

, .

2-72 Flat Spacer Plate

1330 3

(3) Rabbet Spacer Plate

Rabbet Flat Spacer Plate .

2-73 Rabbet Spacer Plate

7.3 (Supergrip Coupling Bolt)

Reamer Bolt

Bolt Hole Reaming

Drilling .

Unit Trip

.

, , ,

.

Reamer Bolt 2-74

. ,

. 1989

1

. .

, .

( :

20%, : 80%). Slip .

Hammer .

Coupling Bolt .

Coupling Concentricity .

2 1331

7.4 (Checks Prior to Coupling Assembly)

.

Reamer Coupling Bolt, Nut, Washer

.

Rabbet Fit Type Male & Female Rabbet Fit Stick

.

.

Jig

.

/

Purge Stator

.

2-74

1332 3

2-75

7.5 (Considerations on Coupling Assembly)

(1) Coupling Alignment

.

Level Hydraulic Oil Jack

.

Spacer Type Spacer .

(2) A Mark( )

A Mark ( 500Mw

L H Mark ).

Hydraulic Oil Jack

.

Crane Hydraulic Oil

Jack Pin

.

Reamer Bolt Reamer Bolt

Alignment Pin .

Spacer Type A Mark Chain Block

Spacer .

2 1333

(3)

Dial

Gauge .

Thrust Stopper .

Hydraulic Oil Jack Jig

.

.

.

(4) Reamer Bolt

Reamer Stick .

Reamer Bolt Hole

.

7.6 Coupling Bolt (Coupling Bolt Tightening)

Coupling Bolt (), (), Run Out

.

4 0.5/10000.6/1000 (

1/2) .

Runout ,

.

0.5/10000.6/1000 (

1/2) .

Runout , .

.

Runout , .

(), ()

: 1.25/100 : 2.5/100

: 2.5/100 : 3.8/100

1334 3

7.7 (Movement of Coupling Centers by Bolting)

(1) Runout

Dial Gauge , 0 Mark 8

. 8 0 Mark A, B, C

. Dial Indicator A, B, C

. Dial Gauge 0

+ .

(2) Vector

Runout Vector 2-77, 78, 79

Polar Graph . 4 Vector 16230

12.4210. 4 Vector

. 4230, 3.1210

.

2-76 Runout

Runout 2-9 .

2-9 / Runout

: 1/100

Runout

0 45 90 135 180 225 270 315 0

A B C D E F G H A

-2 -1 0 2 6 6 6 3 -2 8

0 1 2 4 8 8 8 5 0 8

VectorA-E

8180

B-F

7225

C-G

6270

D-H

1315

2 -4 0 6 6 1 6 1 2 10

6 0 4 10 10 5 10 5 6 10

VectorA-E

4180

B-F

5225

C-G

6270

D-H

5135

2 1335

2-77 2-78

2-79

(3)

8 Runout Vector 2-80

Polar Graph() .

2 . 8

1336 3

2 . 4 1

4 2 1 5

6 .

, .

(4) ,

2-80

Runout. 1/2

2 .

(5) Misalignment

Coupling Bolt

. 1.6/100

(2.5/100 ) (1.25/100 ) , 7.1/100

(3.8/100 ) . Vector F

F A, B, C

E, F, G A, B, C

.

.

2-80 ,

2 1337

7.8 (Coupling Torque)

()

2-81 .

Tc

Tc=nQRf (1)

Ps

Ps=2 N Ts710060

(2)

Tc : (-cm)

Ts : (-cm)

Ps :

n :

: (0.150.20)

Q : ()

Rf : (Cm)=(R1+R2)/2

N : (min-1)

2-81

Tc (1) n

Rf Q .

1338 3

. Tc2Ts

Tc

2 1339

2-10 Rim Runout

(rpm)

Runout (T.I.R)

01800 0.125

18003600 0.05

3600 0.05

8.1.2 (Shaft Alignment Tolerance)

Flexible Coupling Misalignment

(Colinear)

(Offset). .

.

.

2-82 Flexible Coupling (Side View) (Top View)

4 . 4 6 mils

4 inch Misalignment 6 mils/4 inch=1.5

mils/inch .

2-82 Flexible Coupling 4

1340 3

Flexible Coupling 4

. 2-83 ,

(Rim) (Face) Flexible

Coupling .

2-83 (Flexible Coupling )

8.1.3 (Level)

.

.

(Level)

.

.

.

.

.

. 2-11

.

2 1341

2-11

10 mils/ft 30 mils/ft

(500HP )

5 mils/ft 15 mils/ft

(500HP )

5 mils/ft 20 mils/ft

(500HP )

2 mils/ft 8 mils/ft

Machine tools 1 mils/ft 5 mils/ft

8.2 (Cold and Hot Shaft Alignment)

Cold Alignment 2

. 50

. 2

.

25 , ( Rim Face

, , Double Radial ,

Face Face ) Cold Alignment .

.

.

60%

.

.

(

) , () .

1342 3

,

, ,

.

. ,

Alignment

.

, .

. () () .

, Water Stand , Optical Eguipment ,

Laser Beam , Proximity Probe

2 .

, , ,

() Thermal

Growth Oil Whip

.

1 m 100 1 1.1 (1

/m/1000.6 mils/inch/100F).

( ) Smooth Alignment(Face Rim Zero

) .

8.3

(Machinery Movement and Restrictions in the Field)

7 (

) .

(

, , , Runout Soft Foot )

2 1343

.

Device

.

. 0.01

.

.

. ,

.

8.3.1 (Machinery Positioning Basics)

(1) (Axial Spacing)

.

.

.

Magnetic Center , (Bearing Seal)

Pen Soap Stone .

Magnetic Center

() . , "Active"

"Active" Thrust Collar

.

. +/-0.010" .

Gap Misalignment

.

.

(2) (Shim Stock)

. 1 mil 100 mils 100 mils

(Spacer) (Plate) . , ,

1344 3

. +/-

5%.

(3) (Lateral Movement)

(Jackscrews)

.

(Jackscrews)

(Jackscrews)

.

.

.

.

. Outboard Inboard

Inboard .

.

Inboard Outboard .

0

( 2 mils Soft Foot"

Stress ).

.

Outboard Inboard .

Inboard

.

0 180 .

Inboard

. 0 180

0 . 0

Inboard .

.

2 1345

(4) (Vertical Movement)

.

.

8.3.2 (Movement Restrictions)

,

.

()

.

.

Foot Shim Plate .

.

.

.

Rubbing

. ,

. Clearance Map Rubbing

.

8.3.3 (The Do's and Don'ts of Moving Machinery)

Foot Base ,

( Soft Shim ).

.

.

.

1346 3

.

.

.

. Soft Foot

.

.

. .

.

.

.

(Under Cut) .

(Dowel) .

8.3.4

(The Alignment Problems Troubleshooting Guide)

.

.

. ?

.

.

.

1.6( ) .

.

.

. Runout , Soft Foot,

,

.

2 1347

.

.

.

.

. . Clamp

. ?

? Clamp .

Soft Foot .

.

.

.

.

2 .

?

.

?

? ?

? Soft Foot ?

?

?

.

0 ?

Hot Alignment ?

? 1 mil

.

, , ?

?

.

1348 3

.

, Soft Foot

.

9. (Laser Alignment)

Alignment

Piano Wire Dial Gauge Shaft Alignment

Inside-Micrometer Rotor Position

. .

Dial Indicator 5 .

0.025 (1 mils).

Dial Indicator (Runout, Soft Foot )

.

.

.

Bracket Sag . Bracket Sag

.

Laser

Alignment System Dial Gauge

Laser Alignment System

.

Bracket .

3 .

.

1010

.

Runout .

2 1349

.

.

.

9.1

(Basic Theory for Laser Optical Measurement System)

9.1.1 (Laser Chrateristics)

.

( ).

, , , .

(1)

.

,

.

( 2-84 ).

2-84

(2)

. .

.

( 2-85 ).

1350 3

2-85

(3)

,

.

,

( 2-86 ).

2-86

(4)

,

.

9.1.2

(Structure and Specifications of Laser Generator)

.

.

.

(Pumping Source) (Resonator)

.

2 1351

(1)

, , 4 .

---

--- He-Ne, Ar, Kr, N2, Co2. XeF

--- Nd , ,

--- GaAs, Inp, GaAs-P, InAs

(2)

,

.

--- He-Ne Laser, Ar Laser, Kr Laser, N2 Laser, Co2 Laser

---

Flash Lamp --- Nd:YAG Laser, , ,

Laser ---

(3)

2 Fabry-Perot

. ,

,

, .

(4)

, , .

.

2-87 A, B, C, D, E

(A) .

H.R()

, O.C( ) .

(B) .

(C) .

( ) 2

. 2 4

. .

1352 3

2-87

(D) ,

.

(E) ,

.

,

.

(5)

.

.

2 1353

.

.

(Wavelength)

(:

632.8 ).

.

Watt, Joule (

2-88 ).

2-88

e2 86.4%

.

(: 4.65 ).

Warm-Up

(

)

. , 30

Warm-Up 1

.

75%, 15 95% (

2-89 ).

1354 3

2-89

9.1.3 Beam (Basic Operation of Laser Beam)

, , ,

( 2-90 ).

2-90

(1) .

.

2 1355

2

.

.

.

.

(2) .

1 23

. Beam Expander(

) . 1

Telescope

. .

(3) .

. Spot (,

) .

(4) .

.

(Detector)

, ,

.

9.1.4 (Classifications and Mediums of Laser)

.

(1) ( - )

.

.

-

. He(90%) NE( 10%)

2 .

1356 3

0.5

19 .

10

. .

. -

,

.

.

.

.

.

632.8

, .

(2)

.

(3)

.

.

.

9.1.5

, Laser Beam

.

, , .

.

2 1357

9.2 (Laser Shaft Alignment System)

9.2.1 (Classifications of Measuring System)

2-91 .

, Laser/Detector Prftechink

, Dual Laser/Dual Detector AlignX, Fixuure Laser AB

Computational Systems Inc. Laser/Beam Splitter/Dual Detector

Hammer, MMS Prftechink .

2-91

1358 3

9.2.2 L-711 Laser Alignment System

(1) L- 711

Laser

Model 711 Laser Unit Hammer Laser, Power Supply,

Expending Optics, Sweep Optics, Precision Levels

. Laser Basic Frame Coarse

Leveling ( 2-92 ).

Coarse Leveling Fine Leveling

Micrometer(Micrometer 0.001 10 feet 0.001 Tilt )

. Sweep Turret Beam Point

, Sweep Turret Coarse Thumb Fine

Micrometer(Azimuth Adjustment) . Model 711 Laser Unit Magnetic Base

( 2-92, 93 ).

2-92

2 1359

2-93

Target Target Stand

Machine Tool Model T212 Dual Axis Target

T230 Target Stand . Target Silicon Solar Cell ,

Laser Beam Target Readout .

Target Cell 1.500" 0.001" Centering . T230 Target Stand

Magnetic Base Micrometer 0.25"

. T230 Target

, (Readout) ( 2-94 ).

1360 3

2-94 Target

Readout

Target Readout

Laser Beam Center inch Target Center Alignment

. Readout Unit Meter

Vertical Channel Horizontal Channel ( 2-95 ).

Channel . , 3

On/Off Slow Response" .

Damping .

(2) Laser Alignment

Laser

. Beam 3/8"(9.5 ), 100'(30 m) Beam

. Laser Beam

Target , Readout Target Laser

Beam . Laser

,

2 1361

, Target

. 2-95 Target 0.011"(0.2794 )

.

2-95

(3)

A-517 Target Laser Beam

A-517 Target .

A-517 Target 0.08 Shim

Magnet

. Laser Beam Level L-711

A-517 Target .

Target Cell

HAMAR Laser United Detector Technology of California

SC10D Position Sensitive Cell . Type Cell

1362 3

Light Spot , Light Spot Energy

Center . Cell 4 ( 2, 2)

5 . Cell

1 Light Spot Energy Center Positive Voltage .

DC Voltage Target

. ,

Target (, Target

Cell ).

.

Cell 0.0001" (2.5 Microns), Cell 5%.

Cell , 0.100(2.5 )

2% . Cell , Cell

Roll Off( ) .

5%. ,

. Cell , 0.5

. Level 2.5 micron

. (8

m ) Air Turbulence .

2-96 Target Cell

2 1363

2-97 Target Cell Sensing

Air Turbulence

Laser Turbulence

, Laser Target

10 ft(3 m) 0.0001"(0.00254 ). Air

Factor 2 , Air

Factor 2 ( 2-98 ).

2-98 Air Pocket

Laser Beam

Turbulence

. Target .

. .

. Air

Air .

1364 3

Laser Beam .

10 12m 0.20 ( 2-99 ).

Air .

Turbulence

. 10 20 ,

.

2-99 Vertical Temperature

.

Fan

Turbulence

Fan Target Laser

. Turbulence

. Fan Slow Response"

, 10 Turbulence

. , Fan

. 6 m 0.025 Fan

. 0.0025

.

Fan

Fan ,

Fan .

2 1365

Fan Air

.

7.62 m Fan

2 Fan 2-100 .

Fan Fan .

Fan Fan

.

Fan Fan.

Fan 15 m .

Fan. Fan Fan

.

2-100 Fan

Readout Display .

Fast Response" .

Slow Response" ,

.

"Slow Response"

. 10

20 (

.

).

.

1366 3

,

.

.

-

Alignment

T"

.

9.3 Laser Optical (Uses of Laser Optical System)

9.3.1 (Shaft Alignment)

2-101 Laser Shaft Alignment System

.

, 360

. Prftechink

ROTALIGN .

( 1.6 )

Bracket .

- Support Post .

- Bracket .

- Sliding Magnetic Bracket .

Laser (

, ).

( : ) .

.

- Foot

- Front Foot

-

-

2 1367

Laser Beam .

- Laser .

. Mode 5 .

- (Default Mode)

- 0. 3, 6, 9

- ( 5 )

- Dial Gauge (Dial Gauage )

- , , , , .

- Foot .

2-101

9.3.2. Bench Mark

Column 3 .

Reinforced Concrete Type ABB Spring Type, ,

Steel Beam Type . Column Top Table

. Top Table I-Beam

. Top Table , ,

. Top Table

1368 3

(Neutral Surface) ,

.

. Top Table Column

Bench Mark.

Bench Mark Level .

Top Table

. Bench Mark Water Pot Optical Level

Laser .

Bench Mark Hamar L-711 .

(1)

Bench Mark Measuring Plate Magnet

. Magnet

Base Plate

.

. Measuring Plate

Bench Mark Level

Measuring Plate

.

Bench Mark .

Bench Mark .

.

L-711 Laser Bench Mark

, Point .

Laser Beam 15 m.

(2)

() L-711 Laser Turret Beam .

Sweep Laser Beam Turret

. 2

.

L-104 Floor Stand Machine Bed

2 1369

.

Magnet ON .

, ON .

Level Level L-711

.

Turret Coarse, Fine Knob 12 .

Index Screw 6 .

Laser Beam Read-Out Prism

Coarse Fine .

Turret Read-out , Read-out

1/1000 Fast .

Index Screw 6 12 Horizontal, Vertical

.

Horizontal, Vertical

.

S ( ) = (6 - 12 ) / 2

3/32 Allen Wrench Horizontal,

Vertical .

.

0 .

() Calibration of Level Vials

, Leveling Screw

Vial Bubble . Micro-Screw

.

L-104 Floor Stand Machine Bed

.

Magnet ON .

ON .

.001 .002 per foot (A )

1370 3

. 10 20 feet .

.0001 Mode . (Pitch and Roll) Level .

A-517 Target .

Magnetic Base

.

A-517

Magnetic Base .

.

Magnet Off 180

Level .

A-517 Target .

Magnetic Base

.

A-517

Magnetic Base .

(0 - 180 ) / 2 = Total Vial

. 0 180 Total Vial

.

(-) (+).

Target Micro Tilting Screw .

( Micro Tilting Screw

, Micro Tilting Screw ).

"-" Vial

Level .

90 2 .

- 0.002 per foot .

- Target 810 feet .

- Level 10 ,

2 1371

.

(3)

Laser L-104 Floor Stand , L-711

. 30 .

A-517 Target Bench Mark Beam

Bar . Target Micrometer

.

L-711 Bubble Level Set up

Leveling Screw Level Bubble

. Coarse Fine ,

. Bubble

, . 23

.

Bubble

. Bubble

OFF.

A-517 Target

. Read Out 0 Target Micrometer .

Micrometer .

. A-517 Target

.

Target . Magnet

GEN Magnet

. Read-out 0 , Micrometer

. Read-out

0 .

:

.

(Accuracy) (Precision) .

.

1372 3

, ,

.

, .

.

.

,

.

.

.

Bench-Mark Point Target Magnet

Bubble Level . Bubble Level

. Target

A-517 Target Link-Ball

Target Bubble Level

.

L-711 Bubble Level

. .

9.3.3 Casing Alignment

.

Pedestal

Pedestal

Diaphragm

TBN Casing Alignment 1)

. 2)

, Babbit

2 1373

. 3) . 4)

Gland Flange .

TBN Casing Alignment 1) , 2)

, 3) , 4) Casing Key Shim

,

.

Dummy Shaft Alignment

Laser .

Laser

.

.

.

.

.

.

Laser Hamar L-711

.

(1)

Alignment Oil Deflector, Gland Packing, Bearing,

Diaphragm Axial .

(2)

Bench Mark .

(3)

L-711 .

- Front Oil Deflector L-711 .

- 2 Magnetic Block

- Table Front Oil Deflector Hanger .

1374 3

- L-711 . Beam Translator

. Close Bucking Hanger

.

Universial Target(T-218T) Front, Rear Oil Deflector .

- 2 Magnetic Block .

1.5 m Small

Ball Unit .

- X-Y Mount & Middle Clamp .

- X-Y Mount & Middle Clamp Small Ball Sweep Unit .

Front, Rear Oil Deflector Position Dial Gauge .

Point(3, 6, 9 ) . Axial

Guide Block ,

6 Ball Bubble Level , 3, 9

Casing Flange Magnet Block .

- Front, Rear Oil Deflector Bore X-Y Mount & Middle Clamp

. Position 0 ,

X-Y Mount & Middle Clamp

.

Two Point Buck-in .

- X-Y Mount & Middle Clamp Universal Target(T-218T)

Target Read-Out .

- L-711 Front, Rear Target Vertical, Horizontal 1

. Bucking Beam Translator(L-102)

Laser Beam 1 ,

1 Beam Translator

. Vertical

Laser Beam 220 +Magnet Block 70 =

290 , Jack Screw .

(4)

2 . Small Ball Sweep Unit

2 1375

Dial Gauge

Bore . Single Axis Target A-511

Bore 3, 6, 9 Bore7

.

.

Small Ball Sweep Unit

Single Axis Target

A-511

.

.

Bore7

.

.

Measuring Leg Bore

.

Small Ball Sweep Unit

- 4A.1 Diaphragm .

Diaphragm .

X-Y Mount Middle Clamp Universal Target Read-out 0

.

Universal Target , Small Ball Sweep Unit .

Diaphragm Position 3, 6, 9 .

- Diaphragm .

- .

Single Axis Target A-511

- Diaphragm Measuring Leg .

A-511 Target Diaphragm , 90

Measuring Leg . Measuring Leg L

= Radius() - 69.85 (KS C 8401-81 22,

26.5, 2.3, 21.9) .

Diaphragm 2 .

- Bore7 .

1376 3

R-355C Interface Target .

Bore7 .

- Measuring Leg 3, 6, 9 .

- Diaphragm .

9.3.4 Pedestal Level

Pedestal

. Pedestal Level

. Pedestal Level

.

Pedestal

. Pedestal Level Laser Optical

.

Laser Pedestal Level Hamar L-711

.

Laser L-104 Floor Stand L-711 .

30 .

A-517 Target Pedestal Beam

Bar . Target Micrometer

.

L-711 Bubble Level Set up

- Leveling Screw Level Bubble

. Coarse Fine ,

. Bubble ,

. 23

.

- Bubble .

Bubble ,

OFF.

A-517 Target ,

. Read Out 0 Target Micrometer .

2 1377

Micrometer . .

A-517 Target .

Target . Magnet

GEN , Magnet .

Read-out 0 , Micrometer . Read-out

0

.

9.3.5 Pedestal Thermal Growth

Pedestal

.

Cold Alignment .

,

. Pedestal Thermal Growth Laser

Optical .

Laser Pedestal Level Hamar L-711

.

Laser L-104 Floor Stand L-711 .

30 .

A-517 Target Pedestal Beam

Bar . Target Micrometer

.

L-711 Bubble Level Set up

- Leveling Screw Level Bubble

. Coarse Fine , .

Bubble ,

. 23

.

- Bubble .

Bubble ,

1378 3

OFF.

A-517 Target

. Read Out 0 Target Micrometer .

Micrometer . .

A-517 Target .

Target . Magnet

GEN , Magnet .

Read-out 0 Micrometer . Read-out

0

.

R355C A-517 Target . Read7

. .

- Read-Out 0 Alt+Z .

- F4 Key Option Menu .

- 3 Stimer Mode . Stimer Menu Option .

( )

. Escape

.

- F10 .

.

- Escape Read Out Screen .